Revolving warning light



FIG. 1 is a front elevational view of a revolving warning light showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a right side elevational view thereof, and,

FIG. 6 is a left side elevational view thereof.

The broken lines depict unclaimed environmental subject matter. 

The ornamental design for a revolving warning light, as shown and described. 